1811233620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38851}}^1$

素因数の和:38910

約数の個数: 144

約数和(自身を含む): 6448810368

約数和(自身を除く): 4637576748

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, 60, 63, 70, 74, 84, 90, 105, 111, 126, 140, 148, 180, 185, 210, 222, 252, 259, 315, 333, 370, 420, 444, 518, 555, 630, 666, 740, 777, 1036, 1110, 1260, 1295, 1332, 1554, 1665, 2220, 2331, 2590, 3108, 3330, 3885, 4662, 5180, 6660, 7770, 9324, 11655, 15540, 23310, 38851, 46620, 77702, 116553, 155404, 194255, 233106, 271957, 349659, 388510, 466212, 543914, 582765, 699318, 777020, 815871, 1087828, 1165530, 1359785, 1398636, 1437487, 1631742, 1748295, 2331060, 2447613, 2719570, 2874974, 3263484, 3496590, 4079355, 4312461, 4895226, 5439140, 5749948, 6993180, 7187435, 8158710, 8624922, 9790452, 10062409, 12238065, 12937383, 14374870, 16317420, 17249844, 20124818, 21562305, 24476130, 25874766, 28749740, 30187227, 40249636, 43124610, 48952260, 50312045, 51749532, 60374454, 64686915, 86249220, 90561681, 100624090, 120748908, 129373830, 150936135, 181123362, 201248180, 258747660, 301872270, 362246724, 452808405, 603744540, 905616810, 1811233620]

約数ペア:

[(1, 1811233620), (2, 905616810), (3, 603744540), (4, 452808405), (5, 362246724), (6, 301872270), (7, 258747660), (9, 201248180), (10, 181123362), (12, 150936135), (14, 129373830), (15, 120748908), (18, 100624090), (20, 90561681), (21, 86249220), (28, 64686915), (30, 60374454), (35, 51749532), (36, 50312045), (37, 48952260), (42, 43124610), (45, 40249636), (60, 30187227), (63, 28749740), (70, 25874766), (74, 24476130), (84, 21562305), (90, 20124818), (105, 17249844), (111, 16317420), (126, 14374870), (140, 12937383), (148, 12238065), (180, 10062409), (185, 9790452), (210, 8624922), (222, 8158710), (252, 7187435), (259, 6993180), (315, 5749948), (333, 5439140), (370, 4895226), (420, 4312461), (444, 4079355), (518, 3496590), (555, 3263484), (630, 2874974), (666, 2719570), (740, 2447613), (777, 2331060), (1036, 1748295), (1110, 1631742), (1260, 1437487), (1295, 1398636), (1332, 1359785), (1554, 1165530), (1665, 1087828), (2220, 815871), (2331, 777020), (2590, 699318), (3108, 582765), (3330, 543914), (3885, 466212), (4662, 388510), (5180, 349659), (6660, 271957), (7770, 233106), (9324, 194255), (11655, 155404), (15540, 116553), (23310, 77702), (38851, 46620)]