80915580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:916

約数の個数: 144

約数和(自身を含む): 268579584

約数和(自身を除く): 187664004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 853, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1706, 1860, 2108, 2559, 2635, 2790, 3060, 3162, 3412, 4265, 4743, 5118, 5270, 5580, 6324, 7677, 7905, 8530, 9486, 10236, 10540, 12795, 14501, 15354, 15810, 17060, 18972, 23715, 25590, 26443, 29002, 30708, 31620, 38385, 43503, 47430, 51180, 52886, 58004, 72505, 76770, 79329, 87006, 94860, 105772, 130509, 132215, 145010, 153540, 158658, 174012, 217515, 237987, 261018, 264430, 290020, 317316, 396645, 435030, 449531, 475974, 522036, 528860, 652545, 793290, 870060, 899062, 951948, 1189935, 1305090, 1348593, 1586580, 1798124, 2247655, 2379870, 2610180, 2697186, 4045779, 4495310, 4759740, 5394372, 6742965, 8091558, 8990620, 13485930, 16183116, 20228895, 26971860, 40457790, 80915580]

約数ペア:

[(1, 80915580), (2, 40457790), (3, 26971860), (4, 20228895), (5, 16183116), (6, 13485930), (9, 8990620), (10, 8091558), (12, 6742965), (15, 5394372), (17, 4759740), (18, 4495310), (20, 4045779), (30, 2697186), (31, 2610180), (34, 2379870), (36, 2247655), (45, 1798124), (51, 1586580), (60, 1348593), (62, 1305090), (68, 1189935), (85, 951948), (90, 899062), (93, 870060), (102, 793290), (124, 652545), (153, 528860), (155, 522036), (170, 475974), (180, 449531), (186, 435030), (204, 396645), (255, 317316), (279, 290020), (306, 264430), (310, 261018), (340, 237987), (372, 217515), (465, 174012), (510, 158658), (527, 153540), (558, 145010), (612, 132215), (620, 130509), (765, 105772), (853, 94860), (930, 87006), (1020, 79329), (1054, 76770), (1116, 72505), (1395, 58004), (1530, 52886), (1581, 51180), (1706, 47430), (1860, 43503), (2108, 38385), (2559, 31620), (2635, 30708), (2790, 29002), (3060, 26443), (3162, 25590), (3412, 23715), (4265, 18972), (4743, 17060), (5118, 15810), (5270, 15354), (5580, 14501), (6324, 12795), (7677, 10540), (7905, 10236), (8530, 9486)]