311995320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28571}}^1$

素因数の和:28605

約数の個数: 128

約数和(自身を含む): 1152023040

約数和(自身を除く): 840027720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 28571, 57142, 85713, 114284, 142855, 171426, 199997, 228568, 285710, 342852, 371423, 399994, 428565, 571420, 599991, 685704, 742846, 799988, 857130, 999985, 1114269, 1142840, 1199982, 1485692, 1599976, 1714260, 1857115, 1999970, 2228538, 2399964, 2599961, 2971384, 2999955, 3428520, 3714230, 3999940, 4457076, 4799928, 5199922, 5571345, 5999910, 7428460, 7799883, 7999880, 8914152, 10399844, 11142690, 11999820, 12999805, 14856920, 15599766, 20799688, 22285380, 23999640, 25999610, 31199532, 38999415, 44570760, 51999220, 62399064, 77998830, 103998440, 155997660, 311995320]

約数ペア:

[(1, 311995320), (2, 155997660), (3, 103998440), (4, 77998830), (5, 62399064), (6, 51999220), (7, 44570760), (8, 38999415), (10, 31199532), (12, 25999610), (13, 23999640), (14, 22285380), (15, 20799688), (20, 15599766), (21, 14856920), (24, 12999805), (26, 11999820), (28, 11142690), (30, 10399844), (35, 8914152), (39, 7999880), (40, 7799883), (42, 7428460), (52, 5999910), (56, 5571345), (60, 5199922), (65, 4799928), (70, 4457076), (78, 3999940), (84, 3714230), (91, 3428520), (104, 2999955), (105, 2971384), (120, 2599961), (130, 2399964), (140, 2228538), (156, 1999970), (168, 1857115), (182, 1714260), (195, 1599976), (210, 1485692), (260, 1199982), (273, 1142840), (280, 1114269), (312, 999985), (364, 857130), (390, 799988), (420, 742846), (455, 685704), (520, 599991), (546, 571420), (728, 428565), (780, 399994), (840, 371423), (910, 342852), (1092, 285710), (1365, 228568), (1560, 199997), (1820, 171426), (2184, 142855), (2730, 114284), (3640, 85713), (5460, 57142), (10920, 28571)]