168405345940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{117959}}^1$

素因数の和:118034

約数の個数: 144

約数和(自身を含む): 425873347200

約数和(自身を除く): 257468001260

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 289, 323, 340, 380, 442, 494, 578, 646, 884, 988, 1105, 1156, 1235, 1292, 1445, 1615, 2210, 2470, 2890, 3230, 3757, 4199, 4420, 4940, 5491, 5780, 6460, 7514, 8398, 10982, 15028, 16796, 18785, 20995, 21964, 27455, 37570, 41990, 54910, 71383, 75140, 83980, 109820, 117959, 142766, 235918, 285532, 356915, 471836, 589795, 713830, 1179590, 1427660, 1533467, 2005303, 2241221, 2359180, 3066934, 4010606, 4482442, 6133868, 7667335, 8021212, 8964884, 10026515, 11206105, 15334670, 20053030, 22412210, 26068939, 29135873, 30669340, 34090151, 38100757, 40106060, 44824420, 52137878, 58271746, 68180302, 76201514, 104275756, 116543492, 130344695, 136360604, 145679365, 152403028, 170450755, 190503785, 260689390, 291358730, 340901510, 381007570, 443171963, 495309841, 521378780, 582717460, 647712869, 681803020, 762015140, 886343926, 990619682, 1295425738, 1772687852, 1981239364, 2215859815, 2476549205, 2590851476, 3238564345, 4431719630, 4953098410, 6477128690, 8420267297, 8863439260, 9906196820, 12954257380, 16840534594, 33681069188, 42101336485, 84202672970, 168405345940]

約数ペア:

[(1, 168405345940), (2, 84202672970), (4, 42101336485), (5, 33681069188), (10, 16840534594), (13, 12954257380), (17, 9906196820), (19, 8863439260), (20, 8420267297), (26, 6477128690), (34, 4953098410), (38, 4431719630), (52, 3238564345), (65, 2590851476), (68, 2476549205), (76, 2215859815), (85, 1981239364), (95, 1772687852), (130, 1295425738), (170, 990619682), (190, 886343926), (221, 762015140), (247, 681803020), (260, 647712869), (289, 582717460), (323, 521378780), (340, 495309841), (380, 443171963), (442, 381007570), (494, 340901510), (578, 291358730), (646, 260689390), (884, 190503785), (988, 170450755), (1105, 152403028), (1156, 145679365), (1235, 136360604), (1292, 130344695), (1445, 116543492), (1615, 104275756), (2210, 76201514), (2470, 68180302), (2890, 58271746), (3230, 52137878), (3757, 44824420), (4199, 40106060), (4420, 38100757), (4940, 34090151), (5491, 30669340), (5780, 29135873), (6460, 26068939), (7514, 22412210), (8398, 20053030), (10982, 15334670), (15028, 11206105), (16796, 10026515), (18785, 8964884), (20995, 8021212), (21964, 7667335), (27455, 6133868), (37570, 4482442), (41990, 4010606), (54910, 3066934), (71383, 2359180), (75140, 2241221), (83980, 2005303), (109820, 1533467), (117959, 1427660), (142766, 1179590), (235918, 713830), (285532, 589795), (356915, 471836)]