About the Number

28704780

28704779 ← → 28704781

2進数表記:1101101100000000000001100

漢数字表記:二千八百七十万四千七百八十

素因数分解:

2 2 × 3 4 × 5 1 × 13 1 × 29 1 × 47 1

素因数の和:110
約数の個数: 240
約数和(自身を含む): 102453120
約数和(自身を除く): 73748340

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 47, 52, 54, 58, 60, 65, 78, 81, 87, 90, 94, 108, 116, 117, 130, 135, 141, 145, 156, 162, 174, 180, 188, 195, 234, 235, 260, 261, 270, 282, 290, 324, 348, 351, 377, 390, 405, 423, 435, 468, 470, 522, 540, 564, 580, 585, 611, 702, 705, 754, 780, 783, 810, 846, 870, 940, 1044, 1053, 1131, 1170, 1222, 1269, 1305, 1363, 1404, 1410, 1508, 1566, 1620, 1692, 1740, 1755, 1833, 1885, 2106, 2115, 2262, 2340, 2349, 2444, 2538, 2610, 2726, 2820, 3055, 3132, 3393, 3510, 3666, 3770, 3807, 3915, 4089, 4212, 4230, 4524, 4698, 5076, 5220, 5265, 5452, 5499, 5655, 6110, 6345, 6786, 6815, 7020, 7332, 7540, 7614, 7830, 8178, 8460, 9165, 9396, 10179, 10530, 10998, 11310, 11745, 12220, 12267, 12690, 13572, 13630, 15228, 15660, 16356, 16497, 16965, 17719, 18330, 19035, 20358, 20445, 21060, 21996, 22620, 23490, 24534, 25380, 27260, 27495, 30537, 32994, 33930, 35438, 36660, 36801, 38070, 40716, 40890, 46980, 49068, 49491, 50895, 53157, 54990, 61074, 61335, 65988, 67860, 70876, 73602, 76140, 81780, 82485, 88595, 98982, 101790, 106314, 109980, 110403, 122148, 122670, 147204, 152685, 159471, 164970, 177190, 184005, 197964, 203580, 212628, 220806, 245340, 247455, 265785, 305370, 318942, 329940, 354380, 368010, 441612, 478413, 494910, 531570, 552015, 610740, 637884, 736020, 797355, 956826, 989820, 1063140, 1104030, 1435239, 1594710, 1913652, 2208060, 2392065, 2870478, 3189420, 4784130, 5740956, 7176195, 9568260, 14352390, 28704780]

約数ペア:
[(1, 28704780), (2, 14352390), (3, 9568260), (4, 7176195), (5, 5740956), (6, 4784130), (9, 3189420), (10, 2870478), (12, 2392065), (13, 2208060), (15, 1913652), (18, 1594710), (20, 1435239), (26, 1104030), (27, 1063140), (29, 989820), (30, 956826), (36, 797355), (39, 736020), (45, 637884), (47, 610740), (52, 552015), (54, 531570), (58, 494910), (60, 478413), (65, 441612), (78, 368010), (81, 354380), (87, 329940), (90, 318942), (94, 305370), (108, 265785), (116, 247455), (117, 245340), (130, 220806), (135, 212628), (141, 203580), (145, 197964), (156, 184005), (162, 177190), (174, 164970), (180, 159471), (188, 152685), (195, 147204), (234, 122670), (235, 122148), (260, 110403), (261, 109980), (270, 106314), (282, 101790), (290, 98982), (324, 88595), (348, 82485), (351, 81780), (377, 76140), (390, 73602), (405, 70876), (423, 67860), (435, 65988), (468, 61335), (470, 61074), (522, 54990), (540, 53157), (564, 50895), (580, 49491), (585, 49068), (611, 46980), (702, 40890), (705, 40716), (754, 38070), (780, 36801), (783, 36660), (810, 35438), (846, 33930), (870, 32994), (940, 30537), (1044, 27495), (1053, 27260), (1131, 25380), (1170, 24534), (1222, 23490), (1269, 22620), (1305, 21996), (1363, 21060), (1404, 20445), (1410, 20358), (1508, 19035), (1566, 18330), (1620, 17719), (1692, 16965), (1740, 16497), (1755, 16356), (1833, 15660), (1885, 15228), (2106, 13630), (2115, 13572), (2262, 12690), (2340, 12267), (2349, 12220), (2444, 11745), (2538, 11310), (2610, 10998), (2726, 10530), (2820, 10179), (3055, 9396), (3132, 9165), (3393, 8460), (3510, 8178), (3666, 7830), (3770, 7614), (3807, 7540), (3915, 7332), (4089, 7020), (4212, 6815), (4230, 6786), (4524, 6345), (4698, 6110), (5076, 5655), (5220, 5499), (5265, 5452)]

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