2902380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 8897616

約数和(自身を除く): 5995236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 61, 65, 78, 122, 130, 156, 183, 195, 244, 260, 305, 366, 390, 610, 732, 780, 793, 915, 1220, 1586, 1830, 2379, 3172, 3660, 3721, 3965, 4758, 7442, 7930, 9516, 11163, 11895, 14884, 15860, 18605, 22326, 23790, 37210, 44652, 47580, 48373, 55815, 74420, 96746, 111630, 145119, 193492, 223260, 241865, 290238, 483730, 580476, 725595, 967460, 1451190, 2902380]

約数ペア:

[(1, 2902380), (2, 1451190), (3, 967460), (4, 725595), (5, 580476), (6, 483730), (10, 290238), (12, 241865), (13, 223260), (15, 193492), (20, 145119), (26, 111630), (30, 96746), (39, 74420), (52, 55815), (60, 48373), (61, 47580), (65, 44652), (78, 37210), (122, 23790), (130, 22326), (156, 18605), (183, 15860), (195, 14884), (244, 11895), (260, 11163), (305, 9516), (366, 7930), (390, 7442), (610, 4758), (732, 3965), (780, 3721), (793, 3660), (915, 3172), (1220, 2379), (1586, 1830)]