247598820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 908264448

約数和(自身を除く): 660665628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 47, 60, 63, 70, 74, 84, 90, 94, 105, 111, 113, 126, 140, 141, 148, 180, 185, 188, 210, 222, 226, 235, 252, 259, 282, 315, 329, 333, 339, 370, 420, 423, 444, 452, 470, 518, 555, 564, 565, 630, 658, 666, 678, 705, 740, 777, 791, 846, 940, 987, 1017, 1036, 1110, 1130, 1260, 1295, 1316, 1332, 1356, 1410, 1554, 1582, 1645, 1665, 1692, 1695, 1739, 1974, 2034, 2115, 2220, 2260, 2331, 2373, 2590, 2820, 2961, 3108, 3164, 3290, 3330, 3390, 3478, 3885, 3948, 3955, 4068, 4181, 4230, 4662, 4746, 4935, 5085, 5180, 5217, 5311, 5922, 6580, 6660, 6780, 6956, 7119, 7770, 7910, 8362, 8460, 8695, 9324, 9492, 9870, 10170, 10434, 10622, 11655, 11844, 11865, 12173, 12543, 14238, 14805, 15540, 15651, 15820, 15933, 16724, 17390, 19740, 20340, 20868, 20905, 21244, 23310, 23730, 24346, 25086, 26085, 26555, 28476, 29267, 29610, 31302, 31866, 34780, 35595, 36519, 37177, 37629, 41810, 46620, 47460, 47799, 48692, 50172, 52170, 53110, 58534, 59220, 60865, 62604, 62715, 63732, 71190, 73038, 74354, 75258, 78255, 79665, 83620, 87801, 95598, 104340, 106220, 109557, 111531, 117068, 121730, 125430, 142380, 146076, 146335, 148708, 150516, 156510, 159330, 175602, 182595, 185885, 188145, 191196, 196507, 219114, 223062, 238995, 243460, 250860, 263403, 292670, 313020, 318660, 334593, 351204, 365190, 371770, 376290, 393014, 438228, 439005, 446124, 477990, 526806, 547785, 557655, 585340, 589521, 669186, 730380, 743540, 752580, 786028, 878010, 955980, 982535, 1053612, 1095570, 1115310, 1179042, 1317015, 1338372, 1375549, 1672965, 1756020, 1768563, 1965070, 2191140, 2230620, 2358084, 2634030, 2751098, 2947605, 3345930, 3537126, 3930140, 4126647, 5268060, 5502196, 5895210, 6691860, 6877745, 7074252, 8253294, 8842815, 11790420, 12379941, 13755490, 16506588, 17685630, 20633235, 24759882, 27510980, 35371260, 41266470, 49519764, 61899705, 82532940, 123799410, 247598820]

約数ペア:

[(1, 247598820), (2, 123799410), (3, 82532940), (4, 61899705), (5, 49519764), (6, 41266470), (7, 35371260), (9, 27510980), (10, 24759882), (12, 20633235), (14, 17685630), (15, 16506588), (18, 13755490), (20, 12379941), (21, 11790420), (28, 8842815), (30, 8253294), (35, 7074252), (36, 6877745), (37, 6691860), (42, 5895210), (45, 5502196), (47, 5268060), (60, 4126647), (63, 3930140), (70, 3537126), (74, 3345930), (84, 2947605), (90, 2751098), (94, 2634030), (105, 2358084), (111, 2230620), (113, 2191140), (126, 1965070), (140, 1768563), (141, 1756020), (148, 1672965), (180, 1375549), (185, 1338372), (188, 1317015), (210, 1179042), (222, 1115310), (226, 1095570), (235, 1053612), (252, 982535), (259, 955980), (282, 878010), (315, 786028), (329, 752580), (333, 743540), (339, 730380), (370, 669186), (420, 589521), (423, 585340), (444, 557655), (452, 547785), (470, 526806), (518, 477990), (555, 446124), (564, 439005), (565, 438228), (630, 393014), (658, 376290), (666, 371770), (678, 365190), (705, 351204), (740, 334593), (777, 318660), (791, 313020), (846, 292670), (940, 263403), (987, 250860), (1017, 243460), (1036, 238995), (1110, 223062), (1130, 219114), (1260, 196507), (1295, 191196), (1316, 188145), (1332, 185885), (1356, 182595), (1410, 175602), (1554, 159330), (1582, 156510), (1645, 150516), (1665, 148708), (1692, 146335), (1695, 146076), (1739, 142380), (1974, 125430), (2034, 121730), (2115, 117068), (2220, 111531), (2260, 109557), (2331, 106220), (2373, 104340), (2590, 95598), (2820, 87801), (2961, 83620), (3108, 79665), (3164, 78255), (3290, 75258), (3330, 74354), (3390, 73038), (3478, 71190), (3885, 63732), (3948, 62715), (3955, 62604), (4068, 60865), (4181, 59220), (4230, 58534), (4662, 53110), (4746, 52170), (4935, 50172), (5085, 48692), (5180, 47799), (5217, 47460), (5311, 46620), (5922, 41810), (6580, 37629), (6660, 37177), (6780, 36519), (6956, 35595), (7119, 34780), (7770, 31866), (7910, 31302), (8362, 29610), (8460, 29267), (8695, 28476), (9324, 26555), (9492, 26085), (9870, 25086), (10170, 24346), (10434, 23730), (10622, 23310), (11655, 21244), (11844, 20905), (11865, 20868), (12173, 20340), (12543, 19740), (14238, 17390), (14805, 16724), (15540, 15933), (15651, 15820)]