About the Number

72400080

72400079 ← → 72400081

2進数表記:100010100001011110011010000

漢数字表記:七千二百四十万八十

素因数分解:

2 4 × 3 1 × 5 1 × 59 1 × 5113 1

素因数の和:5188
約数の個数: 80
約数和(自身を含む): 228288960
約数和(自身を除く): 155888880

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 295, 354, 472, 590, 708, 885, 944, 1180, 1416, 1770, 2360, 2832, 3540, 4720, 5113, 7080, 10226, 14160, 15339, 20452, 25565, 30678, 40904, 51130, 61356, 76695, 81808, 102260, 122712, 153390, 204520, 245424, 301667, 306780, 409040, 603334, 613560, 905001, 1206668, 1227120, 1508335, 1810002, 2413336, 3016670, 3620004, 4525005, 4826672, 6033340, 7240008, 9050010, 12066680, 14480016, 18100020, 24133360, 36200040, 72400080]

約数ペア:
[(1, 72400080), (2, 36200040), (3, 24133360), (4, 18100020), (5, 14480016), (6, 12066680), (8, 9050010), (10, 7240008), (12, 6033340), (15, 4826672), (16, 4525005), (20, 3620004), (24, 3016670), (30, 2413336), (40, 1810002), (48, 1508335), (59, 1227120), (60, 1206668), (80, 905001), (118, 613560), (120, 603334), (177, 409040), (236, 306780), (240, 301667), (295, 245424), (354, 204520), (472, 153390), (590, 122712), (708, 102260), (885, 81808), (944, 76695), (1180, 61356), (1416, 51130), (1770, 40904), (2360, 30678), (2832, 25565), (3540, 20452), (4720, 15339), (5113, 14160), (7080, 10226)]

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