777788940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 2323490400

約数和(自身を除く): 1545701460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 149, 190, 228, 241, 285, 298, 361, 380, 447, 482, 570, 596, 722, 723, 745, 894, 964, 1083, 1140, 1205, 1444, 1446, 1490, 1788, 1805, 2166, 2235, 2410, 2831, 2892, 2980, 3610, 3615, 4332, 4470, 4579, 4820, 5415, 5662, 7220, 7230, 8493, 8940, 9158, 10830, 11324, 13737, 14155, 14460, 16986, 18316, 21660, 22895, 27474, 28310, 33972, 35909, 42465, 45790, 53789, 54948, 56620, 68685, 71818, 84930, 87001, 91580, 107578, 107727, 137370, 143636, 161367, 169860, 174002, 179545, 215156, 215454, 261003, 268945, 274740, 322734, 348004, 359090, 430908, 435005, 522006, 537890, 538635, 645468, 682271, 718180, 806835, 870010, 1044012, 1075780, 1077270, 1305015, 1364542, 1613670, 1740020, 2046813, 2154540, 2610030, 2729084, 3227340, 3411355, 4093626, 5220060, 6822710, 8187252, 10234065, 12963149, 13645420, 20468130, 25926298, 38889447, 40936260, 51852596, 64815745, 77778894, 129631490, 155557788, 194447235, 259262980, 388894470, 777788940]

約数ペア:

[(1, 777788940), (2, 388894470), (3, 259262980), (4, 194447235), (5, 155557788), (6, 129631490), (10, 77778894), (12, 64815745), (15, 51852596), (19, 40936260), (20, 38889447), (30, 25926298), (38, 20468130), (57, 13645420), (60, 12963149), (76, 10234065), (95, 8187252), (114, 6822710), (149, 5220060), (190, 4093626), (228, 3411355), (241, 3227340), (285, 2729084), (298, 2610030), (361, 2154540), (380, 2046813), (447, 1740020), (482, 1613670), (570, 1364542), (596, 1305015), (722, 1077270), (723, 1075780), (745, 1044012), (894, 870010), (964, 806835), (1083, 718180), (1140, 682271), (1205, 645468), (1444, 538635), (1446, 537890), (1490, 522006), (1788, 435005), (1805, 430908), (2166, 359090), (2235, 348004), (2410, 322734), (2831, 274740), (2892, 268945), (2980, 261003), (3610, 215454), (3615, 215156), (4332, 179545), (4470, 174002), (4579, 169860), (4820, 161367), (5415, 143636), (5662, 137370), (7220, 107727), (7230, 107578), (8493, 91580), (8940, 87001), (9158, 84930), (10830, 71818), (11324, 68685), (13737, 56620), (14155, 54948), (14460, 53789), (16986, 45790), (18316, 42465), (21660, 35909), (22895, 33972), (27474, 28310)]