312156780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:336

約数の個数: 192

約数和(自身を含む): 991001088

約数和(自身を除く): 678844308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 43, 52, 60, 65, 78, 82, 86, 123, 129, 130, 156, 164, 172, 195, 205, 215, 227, 246, 258, 260, 390, 410, 430, 454, 492, 516, 533, 559, 615, 645, 681, 780, 820, 860, 908, 1066, 1118, 1135, 1230, 1290, 1362, 1599, 1677, 1763, 2132, 2236, 2270, 2460, 2580, 2665, 2724, 2795, 2951, 3198, 3354, 3405, 3526, 4540, 5289, 5330, 5590, 5902, 6396, 6708, 6810, 7052, 7995, 8385, 8815, 8853, 9307, 9761, 10578, 10660, 11180, 11804, 13620, 14755, 15990, 16770, 17630, 17706, 18614, 19522, 21156, 22919, 26445, 27921, 29283, 29510, 31980, 33540, 35260, 35412, 37228, 39044, 44265, 45838, 46535, 48805, 52890, 55842, 58566, 59020, 68757, 88530, 91676, 93070, 97610, 105780, 111684, 114595, 117132, 120991, 126893, 137514, 139605, 146415, 177060, 186140, 195220, 229190, 241982, 253786, 275028, 279210, 292830, 343785, 362973, 380679, 400201, 458380, 483964, 507572, 558420, 585660, 604955, 634465, 687570, 725946, 761358, 800402, 1200603, 1209910, 1268930, 1375140, 1451892, 1522716, 1600804, 1814865, 1903395, 2001005, 2401206, 2419820, 2537860, 3629730, 3806790, 4002010, 4802412, 5202613, 6003015, 7259460, 7613580, 8004020, 10405226, 12006030, 15607839, 20810452, 24012060, 26013065, 31215678, 52026130, 62431356, 78039195, 104052260, 156078390, 312156780]

約数ペア:

[(1, 312156780), (2, 156078390), (3, 104052260), (4, 78039195), (5, 62431356), (6, 52026130), (10, 31215678), (12, 26013065), (13, 24012060), (15, 20810452), (20, 15607839), (26, 12006030), (30, 10405226), (39, 8004020), (41, 7613580), (43, 7259460), (52, 6003015), (60, 5202613), (65, 4802412), (78, 4002010), (82, 3806790), (86, 3629730), (123, 2537860), (129, 2419820), (130, 2401206), (156, 2001005), (164, 1903395), (172, 1814865), (195, 1600804), (205, 1522716), (215, 1451892), (227, 1375140), (246, 1268930), (258, 1209910), (260, 1200603), (390, 800402), (410, 761358), (430, 725946), (454, 687570), (492, 634465), (516, 604955), (533, 585660), (559, 558420), (615, 507572), (645, 483964), (681, 458380), (780, 400201), (820, 380679), (860, 362973), (908, 343785), (1066, 292830), (1118, 279210), (1135, 275028), (1230, 253786), (1290, 241982), (1362, 229190), (1599, 195220), (1677, 186140), (1763, 177060), (2132, 146415), (2236, 139605), (2270, 137514), (2460, 126893), (2580, 120991), (2665, 117132), (2724, 114595), (2795, 111684), (2951, 105780), (3198, 97610), (3354, 93070), (3405, 91676), (3526, 88530), (4540, 68757), (5289, 59020), (5330, 58566), (5590, 55842), (5902, 52890), (6396, 48805), (6708, 46535), (6810, 45838), (7052, 44265), (7995, 39044), (8385, 37228), (8815, 35412), (8853, 35260), (9307, 33540), (9761, 31980), (10578, 29510), (10660, 29283), (11180, 27921), (11804, 26445), (13620, 22919), (14755, 21156), (15990, 19522), (16770, 18614), (17630, 17706)]