219826301580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1723}}^1\times {\mathrm{1733}}^1$

素因数の和:3880

約数の個数: 144

約数和(自身を含む): 669210665760

約数和(自身を除く): 449384364180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 409, 818, 1227, 1636, 1723, 1733, 2045, 2454, 3446, 3466, 3681, 4090, 4908, 5169, 5199, 6135, 6892, 6932, 7362, 8180, 8615, 8665, 10338, 10398, 12270, 14724, 15507, 15597, 17230, 17330, 18405, 20676, 20796, 24540, 25845, 25995, 31014, 31194, 34460, 34660, 36810, 51690, 51990, 62028, 62388, 73620, 77535, 77985, 103380, 103980, 155070, 155970, 310140, 311940, 704707, 708797, 1409414, 1417594, 2114121, 2126391, 2818828, 2835188, 2985959, 3523535, 3543985, 4228242, 4252782, 5971918, 6342363, 6379173, 7047070, 7087970, 8456484, 8505564, 8957877, 10570605, 10631955, 11943836, 12684726, 12758346, 14094140, 14175940, 14929795, 17915754, 21141210, 21263910, 25369452, 25516692, 26873631, 29859590, 31711815, 31895865, 35831508, 42282420, 42527820, 44789385, 53747262, 59719180, 63423630, 63791730, 89578770, 107494524, 126847260, 127583460, 134368155, 179157540, 268736310, 537472620, 1221257231, 2442514462, 3663771693, 4885028924, 6106286155, 7327543386, 10991315079, 12212572310, 14655086772, 18318858465, 21982630158, 24425144620, 36637716930, 43965260316, 54956575395, 73275433860, 109913150790, 219826301580]

約数ペア:

[(1, 219826301580), (2, 109913150790), (3, 73275433860), (4, 54956575395), (5, 43965260316), (6, 36637716930), (9, 24425144620), (10, 21982630158), (12, 18318858465), (15, 14655086772), (18, 12212572310), (20, 10991315079), (30, 7327543386), (36, 6106286155), (45, 4885028924), (60, 3663771693), (90, 2442514462), (180, 1221257231), (409, 537472620), (818, 268736310), (1227, 179157540), (1636, 134368155), (1723, 127583460), (1733, 126847260), (2045, 107494524), (2454, 89578770), (3446, 63791730), (3466, 63423630), (3681, 59719180), (4090, 53747262), (4908, 44789385), (5169, 42527820), (5199, 42282420), (6135, 35831508), (6892, 31895865), (6932, 31711815), (7362, 29859590), (8180, 26873631), (8615, 25516692), (8665, 25369452), (10338, 21263910), (10398, 21141210), (12270, 17915754), (14724, 14929795), (15507, 14175940), (15597, 14094140), (17230, 12758346), (17330, 12684726), (18405, 11943836), (20676, 10631955), (20796, 10570605), (24540, 8957877), (25845, 8505564), (25995, 8456484), (31014, 7087970), (31194, 7047070), (34460, 6379173), (34660, 6342363), (36810, 5971918), (51690, 4252782), (51990, 4228242), (62028, 3543985), (62388, 3523535), (73620, 2985959), (77535, 2835188), (77985, 2818828), (103380, 2126391), (103980, 2114121), (155070, 1417594), (155970, 1409414), (310140, 708797), (311940, 704707)]