51287580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 164926944

約数和(自身を除く): 113639364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 173, 180, 183, 243, 244, 270, 305, 324, 346, 366, 405, 486, 519, 540, 549, 610, 692, 732, 810, 865, 915, 972, 1038, 1098, 1215, 1220, 1557, 1620, 1647, 1730, 1830, 2076, 2196, 2430, 2595, 2745, 3114, 3294, 3460, 3660, 4671, 4860, 4941, 5190, 5490, 6228, 6588, 7785, 8235, 9342, 9882, 10380, 10553, 10980, 14013, 14823, 15570, 16470, 18684, 19764, 21106, 23355, 24705, 28026, 29646, 31140, 31659, 32940, 42039, 42212, 46710, 49410, 52765, 56052, 59292, 63318, 70065, 74115, 84078, 93420, 94977, 98820, 105530, 126636, 140130, 148230, 158295, 168156, 189954, 210195, 211060, 280260, 284931, 296460, 316590, 379908, 420390, 474885, 569862, 633180, 840780, 854793, 949770, 1139724, 1424655, 1709586, 1899540, 2564379, 2849310, 3419172, 4273965, 5128758, 5698620, 8547930, 10257516, 12821895, 17095860, 25643790, 51287580]

約数ペア:

[(1, 51287580), (2, 25643790), (3, 17095860), (4, 12821895), (5, 10257516), (6, 8547930), (9, 5698620), (10, 5128758), (12, 4273965), (15, 3419172), (18, 2849310), (20, 2564379), (27, 1899540), (30, 1709586), (36, 1424655), (45, 1139724), (54, 949770), (60, 854793), (61, 840780), (81, 633180), (90, 569862), (108, 474885), (122, 420390), (135, 379908), (162, 316590), (173, 296460), (180, 284931), (183, 280260), (243, 211060), (244, 210195), (270, 189954), (305, 168156), (324, 158295), (346, 148230), (366, 140130), (405, 126636), (486, 105530), (519, 98820), (540, 94977), (549, 93420), (610, 84078), (692, 74115), (732, 70065), (810, 63318), (865, 59292), (915, 56052), (972, 52765), (1038, 49410), (1098, 46710), (1215, 42212), (1220, 42039), (1557, 32940), (1620, 31659), (1647, 31140), (1730, 29646), (1830, 28026), (2076, 24705), (2196, 23355), (2430, 21106), (2595, 19764), (2745, 18684), (3114, 16470), (3294, 15570), (3460, 14823), (3660, 14013), (4671, 10980), (4860, 10553), (4941, 10380), (5190, 9882), (5490, 9342), (6228, 8235), (6588, 7785)]